GPT-5 MinivsMiniMax M3
GPT-5 Mini is cheaper than MiniMax M3 at $0.25/M vs $0.3/M input tokens.
| Spec | GPT-5 Mini | MiniMax M3 |
|---|---|---|
| Input price | $0.25/M tokens | $0.3/M tokens |
| Output price | $2/M tokens | $1.2/M tokens |
| Context window | — | 1.0M tokens |
| Weights | Closed | Open |
| Free API (OpenRouter) | No | No |
| Released | Aug 2025 | Jun 2026 |
Our Verdict
MiniMax M3
GPT-5 MiniRunner-up
Not enough votes to call it. On the specs, MiniMax M3 has the edge: bigger model tier, newer, bigger context window.
Too close to call
Reviewing agent-written code?See a Brief PR report
API pricing
Cost per 1M tokens
GPT-5 Mini
Input
$0.25
1.2× cheaper
Output
$2.00
MiniMax M3
Input
$0.30
Output
$1.20
1.7× cheaper
GPT-5 Mini wins input (1.2× cheaper)·MiniMax M3 wins output (1.7× cheaper)
Where to run it
14 hosts, cheapest first
Per million tokens. Prices and uptime via OpenRouter, checked 11 Sep 2026.
Writing DNA
Style Comparison
Similarity
40%
MiniMax M3 uses 520.0x more bold
GPT-5 Mini
MiniMax M3
62%Vocabulary55%
22wSentence Length24w
0.21Hedging0.52
0.0Bold5.2
3.8Lists3.0
0.00Emoji1.15
0.00Headings1.21
0.04Transitions0.02
Based on 21 + 27 text responses
Research
What we learned reading every model
FAQ
Common questions
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